2011-2012 Microchip Technology Inc. Advance Information DS41571B-page 1
PIC12LF1840T48A
High-Performance RISC CPU:
• Only 49 Instructions to Learn:
- All single-cycle instructions except branches
• Operating Speed:
- DC – 32 MHz oscillator/clock input
- DC – 125 ns instruction cycle
• Interrupt Capability with Automatic Context
Saving
• 16-Level Deep Hardware Stack with Optional
Overflow/Underflow Reset
• Direct, Indirect and Relative Addressing modes:
- Two full 16-bit File Select Registers (FSRs)
- FSRs can read program and data memory
Flexible Oscillator Structure:
• Precision 32 MHz Internal Oscillator Block:
- Factory calibrated to ± 1%, typical
- Software selectable frequencies range of
31 kHz to 32 MHz
• 31 kHz Low-Power Internal Oscillator
• Four Crystal modes up to 32 MHz
• Three External Clock modes up to 32 MHz
• 4X Phase Lock Loop (PLL)
• Fail-Safe Clock Monitor:
- Allows for safe shutdown if peripheral clock
stops
• Two-Speed Oscillator Start-up
• Reference Clock module:
- Programmable clock output frequency and
duty-cycle
Special Microcontroller Features:
• 1.8V-3.6V Operation
• Self-Reprogrammable under Software Control
• Power-on Reset (POR), Power-up Timer (PWRT)
and Oscillator Start-up Timer (OST)
• Programmable Brown-out Reset (BOR)
• Extended Watchdog Timer (WDT)
• In-Circuit Serial Programming™ (ICSP™) via
Two Pins
• In-Circuit Debug (ICD) via Two Pins
• Enhanced Low-Voltage Programming (LVP)
• Programmable Code Protection
• Power-Saving Sleep mode
Low-Power Features:
• Standby Current:
- 170 nA @ 1.8V, typical, RF Sleep
• Operating Current:
- 35 µA @ 1 MHz, 1.8V, RF sleep, typical
- 9 mA @ 1 MHz, 1.8V, RF on at 0 dBm, typical
- 16.5 mA @ 1 MHz, 1.8V, RF on at +10 dBm,
typical
• Low-Power Watchdog Timer Current:
- 500 nA @ 3.0V, typical
RF Transmitter:
• Fully Integrated Transmitter
• Operation in 418, 434 and 868 MHz Bands:
- 8 Selectable center frequencies
• +10 dBm or 0 dBm Configurable Output Power
• FSK Operation up to 100 kbps
• OOK Operation up to 10 kbps
Analog Features:
• Analog-to-Digital Converter (ADC) module:
- 10-bit resolution, 4 channels
- Conversion available during Sleep
• Analog Comparator module:
- One rail-to-rail analog comparator
- Power mode control
- Software controllable hysteresis
• Voltage Reference module:
- Fixed Voltage Reference (FVR) with 1.024V
and 2.048V output levels
- 5-bit rail-to-rail resistive DAC with positive
and negative reference selection
Peripheral Features:
• 5 I/O Pins and 1 Input Only Pin:
- High current sink/source 25 mA/25 mA
- Programmable weak pull-ups
- Programmable interrupt-on-change pins
• Timer0: 8-Bit Timer/Counter with 8-Bit Prescaler
• Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Dedicated, low-power 32 kHz oscillator driver
• Timer2: 8-Bit Timer/Counter with 8-Bit Period
Register, Prescaler and Postscaler
PIC12LF1840T48A Product Brief
